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fix crash when error evaluating target of for expr 

closes #153
master
Andrew Kelley 2016-05-16 22:51:08 -07:00
parent 3df9389215
commit 2c710382a8
2 changed files with 12 additions and 1 deletions
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2
src/analyze.cpp
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@ -3953,7 +3953,7 @@ static TypeTableEntry *analyze_for_expr(CodeGen *g, ImportTableEntry *import, Bl
}
TypeTableEntry *var_type;
if (node->data.for_expr.elem_is_ptr) {
if (child_type->id != TypeTableEntryIdInvalid && node->data.for_expr.elem_is_ptr) {
var_type = get_pointer_to_type(g, child_type, false);
} else {
var_type = child_type;

11
test/run_tests.cpp
View File

@ -1395,6 +1395,17 @@ fn something() -> %void { }
pub fn main(args: [][]u8) { }
)SOURCE", 1, ".tmp_source.zig:2:27: error: expected return type of main to be '%void', instead is 'void'");
add_compile_fail_case("invalid pointer for var type", R"SOURCE(
extern fn ext() -> isize;
var bytes: [ext()]u8 = undefined;
fn f() {
for (bytes) |*b, i| {
*b = u8(i);
}
}
)SOURCE", 1, ".tmp_source.zig:3:13: error: unable to evaluate constant expression");
}
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